Campfire cooking griddle



FIG. 1 is a perspective view of a campfire cooking griddle showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a side view thereof.

The details shown in broken lines in FIGS. 1-4 form no part of the claimed design. 

The ornamental design for a campfire cooking griddle, as shown and described. 